STATE OF NEW YORK 

 DEPARTMENT OF CONSERVATION 



WATER POWER AND CONTROL COMMISSION 



RATA S PQD 



LJ'f IJi \i 



Wood: : hie Institution 



MAPPING OF GEOLOGIC FORMATIONS AND 

 AQUIFERS OF LONG ISLAND, NEW YORK 



Prepared by the Water Power and Control Commission ivith the Cooperation 



of the U. S. Geological Survey 



Material Compiled for the Commission 

 by 



RUSSELL SUTER 



Consultant 



Geological Data Prepared 



by 



WALLACE DE LAGUNA 



and 



NATHANIEL M. PERLMUTTER 



U. S. Geological Survey 



= o 



= CD 



^— m 



BULLETIN GW-18 



ALBANY. N. Y. 



1949 



